<a href="http://www.hosakatakeshi.com/" target="_blank">Takeshi Hosaka Architects</a> were tasked with improving a cramped existing house on an awkward and crowded Tokyo lot, so they pulled a bit of a magic trick by designing an even more useful and appealing home. The resulting "Room Room" house is a perforated cube full of small windows, skylights and opening between floors that provide both light and access points for the family to communicate both verbally and through sign language. The mini space still <a href="http://inhabitat.com/extraordinary-japanese-micro-home-built-from-a-grid-of-boxes/">maintains privacy</a> on the busy corner lot, but thanks to an abundance of windows and a roof deck the home avoids felling cramped.

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RoomRoom by Takeshi Hosaka Architects

The project is an extension of a small home that was getting very cramped housing three generations of a family.

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RoomRoom by Takeshi Hosaka Architects

The <a href="http://inhabitat.com/keret-house-warsaws-narrowest-home-will-be-set-within-this-tiny-alley/">tiny lot</a>, lack of privacy, and narrow streets catalyzed a fresh design approach that looked inward to create social space.

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RoomRoom by Takeshi Hosaka Architects

The simple <a href="http://inhabitat.com/stark-white-townhouse-in-sweden-stands-in-defiant-contrast-with-its-stoic-neighbors/">white rectangle</a> standing two stories tall is dotted in 200 millimeter square perforations both inside and out to create connectivity.

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RoomRoom by Takeshi Hosaka Architects

The windows provide the minimalist home with daylight and visual interest while maintaining privacy and allowing the children to peek out into the world.

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RoomRoom by Takeshi Hosaka Architects

Many of the windows open to scoop up fresh air and improve connectivity to the outside.

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RoomRoom by Takeshi Hosaka Architects

The fenestration is carried up to the roof, which is studded with square <a href="http://inhabitat.com/daylit-austrian-kindergarten-mixes-with-the-out-doors/">skylights</a> and features a deck that is accessible via ladder.

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RoomRoom by Takeshi Hosaka Architects

This photo shows the home's skylights penetrating the roof deck.

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RoomRoom by Takeshi Hosaka Architects

The blocks of light coming from above turn the upper room into an abstract space, inserting the family into a pixellated environment.

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RoomRoom by Takeshi Hosaka Architects

The genius of the design is best expressed in the layout of square openings throughout the floors of the house. These openings are a logical extension of the windows to the interior aesthetically, but they also serve the vital function of enhancing communication.

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RoomRoom by Takeshi Hosaka Architects

The children can call each other throughout the home, and their <a href="http://www.lifeprint.com/asl101/topics/accommodationsforthedeaf02.htm">deaf parents can communicate</a> via sign language between the floors.

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RoomRoom by Takeshi Hosaka Architects

By connecting the small home for spontaneous communication, the design strengthens the family's relationship in what would otherwise be a typical small living space.

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RoomRoom by Takeshi Hosaka Architects

Potted plants, poking through some of the squares in the floor, add even more flavor to the space while softening it a bit.

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RoomRoom by Takeshi Hosaka Architects

The exceptional home takes a simple design element and utilizes it for multiple functions to create a highly livable and playful environment.

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RoomRoom by Takeshi Hosaka Architects

Takeshi Hosaka Architects were tasked with improving a cramped existing house on an awkward and crowded Tokyo lot, so they pulled a bit of a magic trick by designing an even more useful and appealing home. The resulting "Room Room" house is a perforated cube full of small windows, skylights and opening between floors that provide both light and access points for the family to communicate both verbally and through sign language. The mini space still maintains privacy on the busy corner lot, but thanks to an abundance of windows and a roof deck the home avoids felling cramped.